3949365 has 32 divisors (see below), whose sum is σ = 7476480. Its totient is φ = 1741824.

The previous prime is 3949357. The next prime is 3949367. The reversal of 3949365 is 5639493.

3949365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3949365 - 2³ = 3949357 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 9² + 4⁸ + 9⁶ + 3¹³ + 6⁸ + 5⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2397 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (233640).

Almost surely, 2^3949365 is an apocalyptic number.

3949365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3949365 is a deficient number, since it is larger than the sum of its proper divisors (3527115).

3949365 is a wasteful number, since it uses less digits than its factorization.

3949365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 87480, while the sum is 39.

The square root of 3949365 is about 1987.3009334270. The cubic root of 3949365 is about 158.0674416995.

The spelling of 3949365 in words is "three million, nine hundred forty-nine thousand, three hundred sixty-five".